Re: Motronic Pistons

[Kevin Trent <trentkc@domain.elided>]

Excellent question, I'm surprised that no one has posted a response on the 
digest to this seemingly relevant topic.  I too will be rebuilding at least 
one 2L this summer, and I am strongly considering the 10.0 Motronic piston 
& liners.   My concern and questions to the Digest are these:  Will the 
compression jump from 9.0 to 10.0 CR create a need to use the top octane 
gas?  Will I notice a significant increase in predetonation? The Spica 
injection already runs more lean than Webers, and will this accentuate any 
predetonation problems?   My Sperry head has been milled and is no longer 
stock height and I use an 11mm cam - any valve clearance issues?

This is a more pertinent topic than SUVs, Porsche handling quirks or 
tatoos.  Almost as important as the identification and capacity of '73 gas 
tanks..  What is the collective experience?

KCT, Powell, TN
.
At 05:00 PM 3/20/02 -0500, you wrote:

>Date: Wed, 20 Mar 2002 11:33:33 -0800
>From: "Ian Rankin" <ianibr@domain.elided>
>Subject: Motronic Pistons
>
>Greetings All;
>                 In the near future, I will be building a pair of 2L motors,
>one Spica and one with carbs, what are pros and cons of using Motronic piston
>assy's.
>                             Thanks for input, regards, Ian.

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